Alert archive / North Carolina / Flash Flood Watches in 2021
Flash Flood Watch 3, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this flash flood watch at Mar 30, 2021, 3:19 PM EDT for 7 counties in North Carolina; Habersham County, Rabun County, Georgia. It took effect at Mar 31, 2021, 8:00 AM EDT. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Mar 30, 2021, 3:19 PM EDT (19:19 UTC)
- In effect from
- Mar 31, 2021, 8:00 AM EDT
- Expired
- Mar 31, 2021, 3:12 PM EDT
- In force
- 7 hr
- Issued by
- NWS Greenville-Spartanburg, SC
- Flood severity
- None
Counties Habersham County, GA, Rabun County, GA, Graham County, NC, Haywood County, NC, Henderson County, NC, Jackson County, NC, Macon County, NC, Swain County, NC, Transylvania County, NC
The radar
The Greer radar (KGSP), 99 km from the middle of the area, began a volume at 19:17 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 7.3 hours before the alert went out and 235 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 891 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- 56 m²/s²
- 0-3 km storm-relative helicity
- 139 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
365 WGUS62 KGSP 301919 FFAGSP URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Greenville-Spartanburg SC 319 PM EDT Tue Mar 30 2021 ...HEAVY RAINFALL RETURNING TO THE SOUTHERN APPALACHIANS WEDNESDAY MORNING... .Strong lift and deep moisture preceding a cold front likely will combine to produce periods of heavy rainfall over the southern Appalachians. Particularly in areas below southwest-facing ridges, an elevated risk of flash flooding will exist. The threat is greatest during the morning and early afternoon, but will not diminish until the cold front passes Wednesday evening. GAZ010-017-NCZ051-052-058-059-062>065-SCZ001>003-310300- /O.NEW.KGSP.FF.A.0003.210331T1200Z-210401T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Rabun-Habersham-Swain-Haywood-Graham-Northern Jackson-Macon- Southern Jackson-Transylvania-Henderson-Oconee Mountains- Pickens Mountains-Greenville Mountains- Including the cities of Clayton, Pine Mountain, Mountain City, Cornelia, Baldwin, Demorest, Clarkesville, Hollywood, Alarka, Almond, Bryson City, Luada, Wesser, Waynesville, Waterville, Canton, Cruso, Cove Creek, Robbinsville, Stecoah, Cullowhee, Tuckasegee, Sylva, Franklin, Rainbow Springs, Kyle, Highlands, Wolf Mountain, Cashiers, Brevard, Cedar Mountain, Little River, Hendersonville, Fletcher, Dana, East Flat Rock, Tuxedo, Etowah, Mountain Rest, Walhalla, Westminster, Pumpkintown, Tigerville, Gowensville, Cleveland, and Slater-Marietta 319 PM EDT Tue Mar 30 2021 ...FLASH FLOOD WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY EVENING... The National Weather Service in Greenville-Spartanburg has issued a * Flash Flood Watch for portions of northeast Georgia, western North Carolina, and upstate South Carolina, including the following counties. In northeast Georgia, Habersham and Rabun. In western North Carolina, Graham, Haywood, Henderson, Macon, Jackson, Swain, and Transylvania. In upstate South Carolina, mountainous portions of Greenville, Oconee, and Pickens Counties. * from Wednesday morning through Wednesday evening * Strong lift and deep moisture preceding a cold front likely will combine to produce periods of heavy rainfall over the southern Appalachians and adjacent foothills near the Blue Ridge Escarpment. A total of 2 to 3 inches of rain can be expected in the most favored areas, south- and southwest-facing ridges. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch means that conditions may develop that lead to flash flooding. Flash flooding is a very dangerous situation. You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ Wimberley
4 follow-up statements
506 WGUS62 KGSP 310230 FFAGSP Flood Watch National Weather Service Greenville-Spartanburg SC 1030 PM EDT Tue Mar 30 2021 ...HEAVY RAINFALL RETURNING TO THE SOUTHERN APPALACHIANS WEDNESDAY MORNING... .Strong lift and deep moisture preceding a cold front likely will combine to produce periods of heavy rainfall over the southern Appalachians. Particularly in areas below southwest-facing ridges, an elevated risk of flash flooding will exist. The threat is greatest during the morning and early afternoon, but will not diminish until the cold front passes Wednesday evening. GAZ010-017-NCZ051-052-058-059-062>065-SCZ001>003-311030- /O.CON.KGSP.FF.A.0003.210331T1200Z-210401T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Rabun-Habersham-Swain-Haywood-Graham-Northern Jackson-Macon- Southern Jackson-Transylvania-Henderson-Oconee Mountains- Pickens Mountains-Greenville Mountains- Including the cities of Clayton, Pine Mountain, Mountain City, Cornelia, Baldwin, Demorest, Clarkesville, Hollywood, Alarka, Almond, Bryson City, Luada, Wesser, Waynesville, Waterville, Canton, Cruso, Cove Creek, Robbinsville, Stecoah, Cullowhee, Tuckasegee, Sylva, Franklin, Rainbow Springs, Kyle, Highlands, Wolf Mountain, Cashiers, Brevard, Cedar Mountain, Little River, Hendersonville, Fletcher, Dana, East Flat Rock, Tuxedo, Etowah, Mountain Rest, Walhalla, Westminster, Pumpkintown, Tigerville, Gowensville, Cleveland, and Slater-Marietta 1030 PM EDT Tue Mar 30 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT FROM 8 AM EDT WEDNESDAY THROUGH WEDNESDAY EVENING... The Flash Flood Watch continues for * portions of northeast Georgia, western North Carolina, and upstate South Carolina, including the following counties, in northeast Georgia, Habersham and Rabun. In western North Carolina, Graham, Haywood, Henderson, Macon, Northern Jackson, Southern Jackson, Swain, and Transylvania. In upstate South Carolina, Greenville Mountains, Oconee Mountains, and Pickens Mountains. * from 8 AM EDT Wednesday through Wednesday evening * Strong lift and deep moisture preceding a cold front likely will combine to produce periods of heavy rainfall over the southern Appalachians and adjacent foothills near the southern Blue Ridge Escarpment. A total of 2 to 3 inches of rain can be expected in the most favored areas, south and southwest facing ridges. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch means that conditions may develop that lead to flash flooding. Flash flooding is a very dangerous situation. You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$
013 WGUS62 KGSP 310836 FFAGSP Flood Watch National Weather Service Greenville-Spartanburg SC 436 AM EDT Wed Mar 31 2021 .Strong lift and deep moisture preceding a cold front will combine to produce periods of heavy rainfall over the southern Appalachians. An elevated risk of flash flooding will persist, particularly in areas below southwest-facing ridges. The threat is greatest during the morning and early afternoon today, but will not dimimish until a cold front passes late this afternoon. GAZ010-017-NCZ051-052-058-059-062>065-SCZ001>003-311645- /O.CON.KGSP.FF.A.0003.210331T1200Z-210401T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Rabun-Habersham-Swain-Haywood-Graham-Northern Jackson-Macon-Southern Jackson-Transylvania-Henderson-Oconee Mountains-Pickens Mountains- Greenville Mountains- Including the cities of Demorest, Waterville, Pumpkintown, Canton, Westminster, Luada, Tuckasegee, Cullowhee, Cruso, Hollywood, East Flat Rock, Mountain Rest, Clarkesville, Walhalla, Mountain City, Clayton, Sylva, Gowensville, Tigerville, Cashiers, Cove Creek, Cedar Mountain, Little River, Rainbow Springs, Highlands, Wesser, Pine Mountain, Cleveland, Stecoah, Kyle, Wolf Mountain, Franklin, Slater-Marietta, Etowah, Dana, Brevard, Baldwin, Almond, Waynesville, Fletcher, Bryson City, Hendersonville, Robbinsville, Cornelia, Alarka, and Tuxedo 436 AM EDT Wed Mar 31 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH THIS EVENING... The Flash Flood Watch continues for * Portions of northeast Georgia, western North Carolina and upstate South Carolina, including the following areas, in northeast Georgia, Habersham and Rabun. In western North Carolina, Graham, Haywood, Henderson, Macon, Northern Jackson, Southern Jackson, Swain and Transylvania. In upstate South Carolina, Greenville Mountains, Oconee Mountains and Pickens Mountains. * From 8 AM EDT this morning through this evening. * Strong lift and deep moisture preceding a cold front will combine to produce periods of heavy rainfall over the southern Appalachians and adjacent foothills near the Blue Ridge Escarpment from extreme northeast Georgia up to Saluda. A total of 2 to 3 inches of rain can be expected, particularly along and below south and southwest-facing ridges. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch means that conditions may develop that lead to flash flooding. Flash Flooding is a very dangerous situation. You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ Moore
380 WGUS62 KGSP 311619 FFAGSP Flood Watch National Weather Service Greenville-Spartanburg SC 1219 PM EDT Wed Mar 31 2021 .There will remain the threat of additional heavy showers until a cold front passes through later this afternoon. This may aggravate lingering low-lying flooded areas and high water conditions in portions of the mountains. GAZ010-017-NCZ051-052-058-059-062>065-SCZ001>003-311915- /O.CON.KGSP.FF.A.0003.000000T0000Z-210401T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Rabun-Habersham-Swain-Haywood-Graham-Northern Jackson-Macon-Southern Jackson-Transylvania-Henderson-Oconee Mountains-Pickens Mountains- Greenville Mountains- Including the cities of Demorest, Waterville, Pumpkintown, Canton, Westminster, Luada, Tuckasegee, Cullowhee, Cruso, Hollywood, East Flat Rock, Mountain Rest, Clarkesville, Walhalla, Mountain City, Clayton, Sylva, Gowensville, Tigerville, Cashiers, Cove Creek, Cedar Mountain, Little River, Rainbow Springs, Highlands, Wesser, Pine Mountain, Cleveland, Stecoah, Kyle, Wolf Mountain, Franklin, Slater-Marietta, Etowah, Dana, Brevard, Baldwin, Almond, Waynesville, Fletcher, Bryson City, Hendersonville, Robbinsville, Cornelia, Alarka, and Tuxedo 1219 PM EDT Wed Mar 31 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... The Flash Flood Watch continues for * Portions of northeast Georgia, western North Carolina and upstate South Carolina, including the following areas, in northeast Georgia, Habersham and Rabun. In western North Carolina, Graham, Haywood, Henderson, Macon, Northern Jackson, Southern Jackson, Swain and Transylvania. In upstate South Carolina, Greenville Mountains, Oconee Mountains and Pickens Mountains. * Until 8 PM EDT this evening. * Anywhere from 1 to 3 inches of rain with isolated higher amounts had fallen in portions of the watch area this morning. It is within the realm of possibility that an additional round of heavy showers will affect the region this afternoon. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch means that conditions may develop that lead to flash flooding. Flash Flooding is a very dangerous situation. You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$
706 WGUS62 KGSP 311912 FFAGSP Flood Watch National Weather Service Greenville-Spartanburg SC 312 PM EDT Wed Mar 31 2021 GAZ010-017-NCZ051-052-058-059-062>065-SCZ001>003-312015- /O.CAN.KGSP.FF.A.0003.000000T0000Z-210401T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Rabun-Habersham-Swain-Haywood-Graham-Northern Jackson-Macon-Southern Jackson-Transylvania-Henderson-Oconee Mountains-Pickens Mountains- Greenville Mountains- Including the cities of Demorest, Waterville, Pumpkintown, Canton, Westminster, Luada, Tuckasegee, Cullowhee, Cruso, Hollywood, East Flat Rock, Mountain Rest, Clarkesville, Walhalla, Mountain City, Clayton, Sylva, Gowensville, Tigerville, Cashiers, Cove Creek, Cedar Mountain, Little River, Rainbow Springs, Highlands, Wesser, Pine Mountain, Cleveland, Stecoah, Kyle, Wolf Mountain, Franklin, Slater-Marietta, Etowah, Dana, Brevard, Baldwin, Almond, Waynesville, Fletcher, Bryson City, Hendersonville, Robbinsville, Cornelia, Alarka, and Tuxedo 312 PM EDT Wed Mar 31 2021 ...FLASH FLOOD WATCH IS CANCELLED... The Flash Flood Watch for portions of northeast Georgia, western North Carolina and upstate South Carolina, including the following counties. In northeast Georgia, Habersham and Rabun. In western North Carolina, Graham, Haywood, Henderson, Macon, Jackson, Swain and Transylvania. In upstate South Carolina, Greenville Mountains, Oconee Mountains and Pickens Mountains has been cancelled. The Flood Watch is cancelled. Light additional rainfall is possible this evening, but flooding is no longer expected to pose a threat. Please continue to heed remaining road closures. $$ 8
Nearby
Flash Flood Watches in North Carolina, 2021Flash Flood Watches in Georgia, 2021Flash Flood Watches in South Carolina, 2021Every flash flood watch in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.